/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 *
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

/*
 * Copyright 2019-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package org.opensearch.performanceanalyzer.rca.stats.eval;

/** List of stats that are currently supported. */
public enum Statistics {
    MAX,
    MIN,
    MEAN,
    COUNT,
    SUM,

    // Samples are not aggregated. They are reported as they were found. They can be used when we
    // need just a key value pairs.
    SAMPLE,

    // Think of them as a counter per name. So if you update your stats as these values:
    // x, y, x, x, z, h
    // then the named counter will give you something like:
    // x: 3, y: 1, z: 1, h:1
    // This is helpful in calculating metric like which rca nodes threw exceptions and count per
    // graph node.
    NAMED_COUNTERS
}
